320mm Clear opening plastic inspection chamber base. 3 Way 110mm stepped design inlet system for flexibility. Complete with 2 easy fit bungs to block off unused inlets. Maximum depth allowed by building regulations is 600mm
320mm Clear opening plastic inspection chamber riser with a 135mm effective height.
Cover and Frame
263mm Clear opening round top inspection chamber cover & frame. Manufacrured from corrosion resistant polyproplene with a slip-resistant surface tread pattern. The cover is fixed to the frane via 4 fixing screws. The overal depth is 130mm including locating ring, however the depth of the frame is only 33mm
B125 - 12.5 Tonne round top ductile iron inspection chamber cover with polypropylene frame